| タイトル | Vapor flow into a capillary propellant-acquisition device |
| 著者（英） | Dodge, F. T.; Bowles, E. B. |
| 著者所属（英） | Southwest Research Inst. |
| 発行日 | 1983-06-01 |
| 言語 | eng |
| 内容記述 | An analytical model is described that specifies the conditions needed to cause a flow of vapor through the screens of a start basket. The analytical model is composed of several original submodels that interrelate the evaporation of the liquid in the basket, the bubble-point change of a screen in the presence of wicking, the drying out of a screen through a combination of evaporation and pressure difference, the vapor flow rate across a wet screen as a function of pressure difference, and the effect on wicking of a difference between the static pressure of the liquid reservoir and the vapor surrounding the screen. Most of the interrelations were demonstrated by a series of separate-effects tests, which were also used to determine certain empirical constants. The equations of the model were solved numerically for typical start basket designs. A simplified start basket was constructed and tested to verify these predictions, using both volatile and non-volatile liquids. The test results verified the trends predicted by the model. |
| NASA分類 | SPACECRAFT PROPULSION AND POWER |
| レポートNO | 83A36371
AIAA PAPER 83-1380 |
| 権利 | Copyright |
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